Precipitated Silica (SiO2)

Min.Order / FOB Price:Get Latest Price

10 Kilogram	Negotiable

10 Kilogram

Negotiable

Min.Order :10 Kilogram
Purity: 99.9
Payment Terms : L/C,T/T,

Keywords

Precipitated Silica Hydrophobic Silica Ft Rubber Active Agent

Quick Details

Appearance:Power
Application:
PackAge:25kg/Bag, 1 Mt Per Pallet, 20 Mt Per Container
ProductionCapacity:5000|Metric Ton|Year
Storage:cool and dry
Transportation:boat

Superiority:

Hydrophobic silica is commonly after reprocessing of products, under some appropriate conditions will generally hydrophilic silica and silane coupling agent treatment response, and obtained a kind of surface has polysiloxane grafting of solid powder silica, the hydrophobic contact Angle can reach 70 to 150, has the good hydrophobic property.

Details:

No.	PHYSICO-CHEMICAL PROPERTIES	Data	TEST METHOD	UNIT
1	SiO2 Contents	≥ 93	HG/T 3062	%
2	Appearance	White, Fine Odourless, Powder	Visual	/
3	45μm Sieve	≤0.5	HG/T 3064	%
4	Loss on Drying (105°C, 2h)	4.0-7.0	HG/T 3065	%
5	Loss on Ignition (1000°C, 2h)	3.0-6.0	HG/T 3066	%
6	PH Value	6.5-7.1	HG/T 3067	/
7	Nitrogen adsorption specific surface area	140-190	GB/T 10722	m²/g
8	Copper Contents	≤10	HG/T 3068	mg/kg
9	Manganese Contents	≤40	HG/T 3069	mg/kg
10	Iron Contents	≤400	HG/T 3070	mg/kg
11	DBP Oil Absorption Value	2.55-2.8	HG/T 3072	cm³/g
12	Stress at 500% Elongation	≥13.0	HG/T 2404	MPa
13	Tensile Strength	≥19.0	HG/T 2404	MPa
14	Elongation at Break	≥675	HG/T 2404	%

Item	Test Standard
Specific surface area（㎡/g）	200±20
Determination of PH value of an aqueous suspension（4%）	3.6-4.5
Loss on drying 105deg.C（m/m%）	≤1.5
Loss on ignition(dry product)1,000deg.C （m/m%）	≤2.5
Sieve residue（m/m%）	≤0.05
Apparent density( g/L)	25-60
Sio2 content (m/m% )	≥99.8
Carbon content (m/m%)	≤0.2